Home / 230,463.19-345,705.72-111,993.40

Finding the Fourth Proportional to 230,463.19, 345,705.72 and 111,993.40

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Solution

The fourth proportional to 230,463.19, 345,705.72 and 111,993.40 is: 167,995.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,463.19 : 345,705.72 = 111,993.40 : x
  2. Step 2: Convert to fraction form
    230,463.19/345,705.72 = 111,993.40/x
  3. Step 3: Cross multiply
    230,463.19x = 345,705.72 × 111,993.40
  4. Step 4: Simplify right side
    230,463.19x = 38,716,758,982.25
  5. Step 5: Solve for x
    x = 38,716,758,982.25/230,463.19
  6. Step 6: Final answer
    x = 167,995.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.